The term originates from the Greek word kryos , meaning "icy cold". While standard refrigeration covers cooling above these levels, cryogenics enters a regime where the physical properties of matter—such as electrical resistance and thermal conductivity—change dramatically. Key Cryogenic Fluids and Their Properties
The most common cryogen, widely used in food preservation, biological sample storage, and industrial cooling.
A high-energy fuel for space exploration and a potential "clean" energy vector. Core Applications of Cryogenic Technology Scribdhttps://www.scribd.com Cryogenic Engineering Fundamentals | PDF - Scribd